10989145 has 8 divisors (see below), whose sum is σ = 13204800. Its totient is φ = 8779440.

The previous prime is 10989131. The next prime is 10989149. The reversal of 10989145 is 54198901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10989145 - 2¹⁵ = 10956377 is a prime.

It is a super-2 number, since 2×10989145² = 241522615662050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10989149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6210 + ... + 7780.

It is an arithmetic number, because the mean of its divisors is an integer number (1650600).

Almost surely, 2^10989145 is an apocalyptic number.

It is an amenable number.

10989145 is a deficient number, since it is larger than the sum of its proper divisors (2215655).

10989145 is a wasteful number, since it uses less digits than its factorization.

10989145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 10989145 is about 3314.9879336130. The cubic root of 10989145 is about 222.3248295137.

The spelling of 10989145 in words is "ten million, nine hundred eighty-nine thousand, one hundred forty-five".